HIEE401782R0001 ABB

7UT5121-5CA00-0B/JH
TSXETY110
IC693PCM311M
IC693CPU351
3HAC025338-002
VT-HNC100-1-22/W-08-P-0
SACEF4S3200A
HCS01.1E-W0054-R-03-B-ET-EC-NN-NN-NN-FW
803.93.00-AUW-803.93.00C
1FT6062-6AC71-4AA0
6SE3115-8DC40
PFEA111-65/3BSE050090R65
A02B-0236-C240
AO845A
AI830A

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描述

梯形图是使用得最多的PLC的编程语言,其电路符号和表达方式与继电器电路原理图相似,梯形图语言形象直观,易学易懂,熟悉继电器电路图的电气技术人员只需花几天时间就可以熟悉梯形图语言,并用来编制用户程序。梯形图语言实际上是一种面向用户的高级语言,PLC在执行梯形图程序时,将它“翻译”成汇编语言后再去执行。

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